/*
 * Copyright 2017 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package core.api.a2;

import api.a1.RuleUnit;
import api.a1.RuleUnitExecutor;
import core.api.a4.InternalDataSource;
import core.impl.p1.RuleUnitDescr;

public interface InternalRuleUnitExecutor extends RuleUnitExecutor {

    void cancelActivation(Activation activation);

    void onSuspend();
    void onResume();

    RuleUnitDescr switchToRuleUnit(Class<? extends RuleUnit> ruleUnitClass);
    RuleUnitDescr switchToRuleUnit(RuleUnit ruleUnit);

    void guardRuleUnit(Class<? extends RuleUnit> ruleUnitClass, Activation activation);
    void guardRuleUnit(RuleUnit ruleUnit, Activation activation);

    RuleUnit getCurrentRuleUnit();

    void bindDataSource(InternalDataSource dataSource);
}
